Retrofitting Gerber Sabre 408 CNC Router
- HR
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29 Jun 2026 20:04 #347401
by HR
Retrofitting Gerber Sabre 408 CNC Router was created by HR
I am starting this thread to seek information and guidance, with the hope that it may also serve as a helpful resource for others facing similar challenges.I am currently considering retrofitting my machine as the most practical option, given the scarcity and high cost of original replacement parts. With that in mind, I would appreciate any advice on the best approach to begin this project.
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- andypugh
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03 Jul 2026 21:06 #347498
by andypugh
Replied by andypugh on topic Retrofitting Gerber Sabre 408 CNC Router
Some information about the nature of the machine might help prompt some more advice.
What type of motors does this use? Steppers, DC Servos? Brushless servos? (linear motors?)
Are the existing drives working, and do you intend to keep them?
The same for the motors.
What feedback do the motors provide to the controller? Is there also feedback from the axes (linear scales, for example)
Is there a toolchanger? How many spindles does it have?
Maybe attach a picture to help us visualise the project.
What type of motors does this use? Steppers, DC Servos? Brushless servos? (linear motors?)
Are the existing drives working, and do you intend to keep them?
The same for the motors.
What feedback do the motors provide to the controller? Is there also feedback from the axes (linear scales, for example)
Is there a toolchanger? How many spindles does it have?
Maybe attach a picture to help us visualise the project.
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- SkyMoCo
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06 Jul 2026 23:05 #347567
by SkyMoCo
Replied by SkyMoCo on topic Retrofitting Gerber Sabre 408 CNC Router
There is an entire series of threads on doing just this. I did a retrofit on mine years ago and it runs every day cutting custom parts. Works great. Forest (see his posts) also sells a retrofit board and computer that makes it plug and play. He also has spare parts available.
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